Manhole Cover for Boats

Steel Manhole Cover

Suitable for steel ships with watertight and oiltight requirements. This cover is in conformity to the standard of ISO5892 and CB/T19-2001. We supply various kinds of covers, please contact us for more information if you are interested in our products.

Drawing & Specifications:

A:  manhole cover with coaming

B:  flat manhole cover

C:  sunk manhole cover

type	clear size	l1	l2	l3	b1	b2	b3	s	bolt		weight kg
		mm							dia	qty
A	450*350	450	470	570	350	370	470	4	M20	16	23.2
								6			30.8
								8			36.9
								10			45.8
	600*400	600	620	720	400	420	520	6		20	48.8
								8			59.2
								10			69.3
								12			79.6
	800*600	800	820	920	600	620	720	8		26	52.4
								10			65.8
								12			78.2
								14			90.2

type	clear size	l1	l2	l3	b1	b2	b3	s	bolt		weight kg
		mm							dia	qty
B	450*350	450	470	570	350	370	470	4	M20	16	28.9
								6			33.8
								8			37.2
								10			41.2
	600*400	600	620	720	400	420	520	8		20	49.5
								10			55.6
								12			61.3
								14			67.6
	800*600	800	820	920	600	620	720	12		26	57.2
								14			75.2
								16			82.8
								18			89.9
	800*400	800	830	930	400	430	530	12		24	56.8
								14			63.2
								16			69.2
								18			76.2

Optional Certificates: CCS, NK, LR, RINA, IRS, ABS, DNV.GL, RMRS, BV

Picture Figure: